Enable log monitoring

Change-Id: Id8fd43b342fefcca42e2acfff64bb9faf46203dd
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index ac7d3ba..ea701e1 100644
--- a/metadata/service/support.yml
+++ b/metadata/service/support.yml
@@ -4,8 +4,10 @@
       collectd:
         enabled: false
       heka:
-        enabled: false
+        enabled: true
       sensu:
         enabled: false
       sphinx:
         enabled: false
+      prometheus:
+        enabled: true